Bill Presentment Achitecture- BPA

Hello All,

1. Can BPA be used for different out put format like xls, XML, HTML, RTF etc? which BI Publisher provides or it's just for PDF printing?
2. Can BPA be used to deliver invoice file through FTP, printer, Fax, eCommerse ? which BI Publisher provides?

     Note: We need to deliver print files to different print vendors for different Operating Units. If we make use of BPA print program, can we pass delivery options along with parameters which submitting the program through unix script?

Thanks